Case studies can be very enlightening but there are also problems. Stories may be made up or misremembered. There is also a selection bias in which stories get told and which don't.
The big benefit I think is that people are... well people. If you do the same thing to an atom it will respond in the same way, while people may respond differently depending on any number of factors.
Appetite is known to be heavily entangled with psychology. People eat to celebrate. They eat to celebrate or because they are sad, because they are tired, because they are stressed out, because they are bored or maybe because they passed a bakery.
Case studies can help us understand how all these things interrelate and how to design studies that avoid pitfalls.
The big benefit I think is that people are... well people. If you do the same thing to an atom it will respond in the same way, while people may respond differently depending on any number of factors.
Appetite is known to be heavily entangled with psychology. People eat to celebrate. They eat to celebrate or because they are sad, because they are tired, because they are stressed out, because they are bored or maybe because they passed a bakery.
Case studies can help us understand how all these things interrelate and how to design studies that avoid pitfalls.